refactor(client): 授权信息卡从「关于我们」迁至 设置→授权管理，替换授权到期时间卡

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01JJ1g8XV1YhhmHRzhwWEW7o

client/lib/screens/settings/settings_screen.dart

@@ -691,42 +691,38 @@ class _LicensePanelState extends ConsumerState<_LicensePanel> {
     final expires = lic?.expiresAt != null
         ? DateFormat('yyyy-MM-dd').format(lic!.expiresAt!)
         : '—';
-    // 剩余天数走可注入时钟（golden 确定化），不用 model 内的 DateTime.now()
+    // 状态/剩余天数走可注入时钟（golden 确定化），不用 model 内的 DateTime.now()
+    final active = lic?.isActive == true &&
+        (lic?.expiresAt == null || lic!.expiresAt!.isAfter(appNow()));
     final days = lic?.expiresAt != null
         ? lic!.expiresAt!.difference(appNow()).inDays.clamp(0, 99999)
         : null;
+    final licCells = [
+      _licCell(t, '授权状态', active ? '已授权' : '未授权',
+          color: active ? t.success : t.warn),
+      _licCell(t, '到期日', expires),
+      _licCell(t, '剩余天数', days != null ? '$days 天' : '—'),
+    ];
 
     return Column(
       crossAxisAlignment: CrossAxisAlignment.stretch,
       children: [
-        // ── 卡1：授权到期时间（原型 .lic 统计条：bg 底 / border / r-md）──
+        // ── 卡1：授权信息（3 cell，自「关于我们」迁入）──
         _SettingsCard(
-          title: '授权到期时间',
-          desc: '当前门店的授权有效期，续期时长在现有到期时间上叠加',
-          child: Container(
-            padding: const EdgeInsets.fromLTRB(20, 18, 20, 18),
-            decoration: BoxDecoration(
-              color: t.bg,
-              border: Border.all(color: t.border),
-              borderRadius: BorderRadius.circular(AppDims.rMd),
-            ),
-            child: Row(children: [
-              _stat(t, '授权到期日', expires),
-              const SizedBox(width: 24),
-              _stat(t, '剩余天数', days != null ? '剩余 $days 天' : '—', warn: true),
-              const Spacer(),
-              Container(
-                width: 46,
-                height: 46,
-                decoration: BoxDecoration(
-                  color: t.okSoft,
-                  borderRadius: BorderRadius.circular(AppDims.rMd),
-                ),
-                child:
-                    Icon(LucideIcons.shieldCheck, size: 22, color: t.success),
-              ),
-            ]),
-          ),
+          title: '授权信息',
+          desc: '当前门店的授权状态与有效期，续期时长在现有到期时间上叠加',
+          child: context.isMobile
+              ? Column(children: [
+                  for (final c in licCells)
+                    Padding(
+                        padding: const EdgeInsets.only(bottom: 10), child: c),
+                ])
+              : Row(children: [
+                  for (var i = 0; i < licCells.length; i++) ...[
+                    if (i > 0) const SizedBox(width: 14),
+                    Expanded(child: licCells[i]),
+                  ],
+                ]),
         ),
         const SizedBox(height: 16),
         // ── 卡2：在线购买 / 续费（后端 purchase 接口 admin only，
@@ -811,20 +807,30 @@ class _LicensePanelState extends ConsumerState<_LicensePanel> {
     );
   }
 
-  Widget _stat(dynamic t, String label, String value, {bool warn = false}) =>
-      Column(
-        crossAxisAlignment: CrossAxisAlignment.start,
-        children: [
-          Text(label, style: TextStyle(fontSize: AppDims.fsSm, color: t.muted)),
-          const SizedBox(height: 4),
-          Text(value,
-              style: TextStyle(
-                  fontSize: 24,
-                  fontWeight: FontWeight.w700,
-                  fontFamily: AppFonts.mono,
-                  fontFamilyFallback: AppFonts.monoFallback,
-                  color: warn ? t.warn : t.heading)),
-        ],
+  /// 原型 .lic-cell（与「关于我们」同款）：lk 11 muted + lv 17/700/mono。
+  Widget _licCell(dynamic t, String label, String value, {Color? color}) =>
+      Container(
+        padding: const EdgeInsets.fromLTRB(16, 14, 16, 14),
+        decoration: BoxDecoration(
+          color: t.bg,
+          border: Border.all(color: t.borderSubtle),
+          borderRadius: BorderRadius.circular(AppDims.rMd),
+        ),
+        child: Column(
+          crossAxisAlignment: CrossAxisAlignment.start,
+          children: [
+            Text(label,
+                style: TextStyle(fontSize: AppDims.fsXs, color: t.muted)),
+            const SizedBox(height: 6),
+            Text(value,
+                style: TextStyle(
+                    fontSize: AppDims.fsH2,
+                    fontWeight: FontWeight.w700,
+                    fontFamily: AppFonts.mono,
+                    fontFamilyFallback: AppFonts.monoFallback,
+                    color: color ?? t.heading)),
+          ],
+        ),
       );
 }